Product name: Propylene Glycol(57-55-6)
Molecular Formula: C3H8O2
Molecular Weight: 76.09
CAS: 57-55-6
Appearance: Colorless, viscous and transparent liquid
Application: Propylene Glycol is important raw material to make up unsaturated polyester, epoxy resin and polyurethane resin. It is also used as plasticizer, surface active agent, emulsifying agent, demulsifying agent, mould inhibitor, antiseptic for fruit, ice inhibitor and moisture preserving agent for tobacco.
Packing, Storage and Transportation:
It can be packed by ISO tank, galvanized iron drum, drum, IBC or flexitank, etc.
This product should be stored in cool and windy special warehouse far away from fire and transported as a general chemical product.

Test Items	Chinese Pharmacopoeia2005	USP30	JP2001	PhEur2002	Technical      Grade
Identification	Meet Chart 706	Infrared Absorption	-	-	Meet Chart 706
Relative density 25	1.035 ~1.037	1.035 ~1.037	1.035 ~1.040	1.035 ~1.040	1.035 ~1.040
Acidity ml/ml≤	0.05	0.02	+	+	0.05
Chloride%≤	0.007	0.007	0.007	-	-
Sulfate%	0.006	0.006	0.002	-	-
Oxidizing Substance ml/ml≤	0.04	-	-	-	-
Water%≤	0.2	0.2	0.5	0.2	0.2
Residue on ignigion ml/ml%≤	0.007	0.007	0.005	-	-
Heavy metals ppm≤	5	5	5	5	-
Content(GC) %≥	99.5	99.5	-	-	99.0
Residual Sdvents	-	+	-	-	-
Organic vdatile impurities	-	+	-	-	-
Distillation range	184 ~188	-	184 ~189	-	183 ~190
As ppm	-	-	2	-	-
Glycerol	-	-	+	-	-
Index of refraction	-	-	-	1.431 ~1.433	1.428 ~1.435
Sulfate ash%≤	-	-	-	0.01	-
Reducing Substance	-	-	-	+	-